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ATM/ATR
Choose Selective ATM/ATR Inhibitors
ATM/ATR Signaling Pathway Map
Isoform-selective Inhibitors
ATM/ATR Products
- All (24)
- ATM/ATR Inhibitors (21)
- ATM/ATR Activators (3)
- New ATM/ATR Products
| Catalog No. | Product Name | Information | Product Use Citations | Product Validations |
|---|---|---|---|---|
| S0148 | HAMNO | HAMNO (NSC-111847) is a potent and selective replication protein A (RPA) inhibitor with anti-tumor activity. HAMNO inhibits both ATR autophosphorylation and phosphorylation of RPA32 Ser33 by ATR. | ||
| S1009 | Dactolisib (BEZ235) | Dactolisib (BEZ235, NVP-BEZ235) is a dual ATP-competitive PI3K and mTOR inhibitor for p110α/γ/δ/β and mTOR(p70S6K) with IC50 of 4 nM /5 nM /7 nM /75 nM /6 nM in cell-free assays, respectively. Inhibits ATR with IC50 of 21 nM in 3T3TopBP1-ER cell. Dactolisib induces autophagy and suppresses HIV-1 replication. Phase 2. |
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|
| S1092 | KU-55933 (ATM Kinase Inhibitor) | KU-55933 (ATM Kinase Inhibitor) is a potent and specific ATM inhibitor with IC50/Ki of 12.9 nM/2.2 nM in cell-free assays, and is highly selective for ATM as compared to DNA-PK, PI3K/PI4K, ATR and mTOR. KU‑55933 (ATM Kinase Inhibitor) inhibits the activation of autophagy‑initiating kinase ULK1 and results in a significant decrease of autophagy. |
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|
| S1570 | KU-60019 | KU-60019 is an improved analogue of KU-55933, with IC50 of 6.3 nM for ATM in cell-free assays, 270- and 1600-fold more selective for ATM than DNA-PK and ATR,and is a highly effective radiosensitizer. |
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|
| S2245 | CP-466722 | CP-466722 is a potent and reversible ATM inhibitor, does not affect ATR and inhibits PI3K or PIKK family members in cells. |
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| S2758 | Wortmannin (KY 12420) | Wortmannin (KY 12420, SL-2052, BRN 0067676, NSC 627609) is the first described PI3K inhibitor with IC50 of 3 nM in a cell-free assay, with little selectivity within the PI3K family. Wortmannin blocks autophagosome formation and potently inhibits DNA-PK/ATM with IC50 of 16 nM and 150 nM in cell-free assays. Wortmannin also inhibits PLK1 activity. |
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|
| S2817 | Torin 2 | Torin 2 is a potent and selective mTOR inhibitor with IC50 of 0.25 nM in p53−/− MEFs cell line; 800-fold greater selectivity for mTOR than PI3K and improved pharmacokinetic properties. Inhibition of ATM/ATR/DNA-PK with EC50 of 28 nM/35 nM/118 nM,in PC3 cell lines respectively. Torin 2 decreases cell viability and induces autophagy and apoptosis. |
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|
| S3600 | Schisandrin B (Sch B) | Schisandrin B is the most abundant dibenzocyclooctadiene lignan present in the traditional Chinese medicinal herb Schisandra chinensis (Turcz.) Baill. It is a kind of ATR and P-gp inhibitor with high safety. | ||
| S7050 | AZ20 | AZ20 is a novel potent and selective inhibitor of ATR kinase with IC50 of 5 nM in a cell-free assay, 8-fold selectivity over mTOR. |
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|
| S7136 | CGK 733 | CGK 733 is a potent and selective inhibitor of ATM/ATR with IC50 of ~200 nM. |
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| S7693 | Ceralasertib (AZD6738) | Ceralasertib (AZD6738) is an orally active, and selective ATR kinase inhibitor with IC50 of 1 nM. Phase 1/2. |
|
|
| S8007 | VE-821 | VE-821 is a potent and selective ATP competitive inhibitor of ATR with Ki/IC50 of 13 nM/26 nM in cell-free assays, shows inhibition of H2AX phosphorylation, minimal activity against PIKKs ATM, DNA-PK, mTOR and PI3Kγ. |
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|
| S8050 | ETP-46464 | ETP-46464 is a potent and selective inhibitor of ATR with IC50 of 25 nM. | ||
| S8096 | Mirin | Mirin is a potent Mre11–Rad50–Nbs1 (MRN) complex inhibitor, and inhibits Mre11-associated exonuclease activity. Mirin inhibits MRN-dependent activation of ATM. |
|
|
| S8375 | AZD0156 | AZD0156 is a potent and selective inhibitors of ATM kinase, with potential chemo-/radio-sensitizing and antineoplastic activities. AZD0156 prevents DNA damage checkpoint activation, disrupts DNA damage repair, induces tumor cell apoptosis, and leads to cell death of ATM-overexpressing tumor cells. | ||
| S8556 | AZ31 | AZ31 is a selective and novel ATM inhibitor with an IC50 of <0.0012 μM. It shows excellent selectivity over closely related enzymes (>500 fold selective over DNA-PK and PI3Kα and >1000 fold selective over mTOR, PI3Kβ and PI3Kγ). | ||
| S8666 | Elimusertib (BAY-1895344) hydrochloride | Elimusertib (BAY-1895344) hydrochloride is a potent, highly selective and orally available ATR inhibitor with an IC50 of 7 nM. | ||
| S8680 | AZD1390 | AZD1390 is a first-in-class orally available and CNS penetrant ATM inhibitor with an IC50 of 0.78 nM in cells and >10,000-fold selectivity over closely related members of the PIKK family of enzymes and excellent selectivity across a broad panel of kinases. | ||
| S8729 | AZ32 | AZ32 is a specific inhibitor of the ATM kinase that possesses good BBB penetration in mouse with an IC50 value of <0.0062 μM for ATM enzyme. It shows adequate selectivity over ATR and also has high cell permeability. | ||
| S9639 | VX-803 (M4344) | VX-803 (M4344, ATR inhibitor 2) is an ATP-competitive, orally active, and selective inhibitor of ataxia telangiectasia and Rad3 related (ATR) kinase with Ki of < 150 pM. VX-803 (M4344) potently inhibits ATR-driven phosphorylated checkpoint kinase-1 (P-Chk1) phosphorylation with IC50 of 8 nM. VX-803 (M4344) exhibits potential antineoplastic activity. | ||
| S9864 | Elimusertib (BAY-1895344) | Elimusertib (BAY-1895344) is a very potent and highly selective ATR (ataxia telangiectasia and Rad3-related) inhibitor with IC50 of 7 nM. Elimusertib potently inhibits proliferation of a broad spectrum of human tumor cell lines with median IC50 of 78 nM. | ||
| S3224 | Cinobufagin | Cinobufagin (Cinobufagine), an active ingredient of Venenum Bufonis, inhibits tumor development. Cinobufagin increases ATM and Chk2 and decreases CDC25C, CDK1, and cyclin B. Cinobufagin inhibits PI3K, AKT and Bcl-2 while increases levels of cleaved caspase-9 and caspase-3. Thus, Cinobufagin induces cell cycle arrest at the G2/M phase and apoptosis. | ||
| S4157 | Chloroquine diphosphate | Chloroquine diphosphate is a 4-aminoquinoline anti-malarial and anti-rheumatoid agent, also acting as an ATM activator. Chloroquine is also an inhibitor of toll-like receptors (TLRs). |
|
|
| S6885 | Ailanthone | Ailanthone (AIL, Δ13-Dehydrochaparrinone), a natural anti-hepatocellular carcinoma (HCC) component in Ailanthus altissima, induces G0/G1-phase cell cycle arrest by decreasing expression of cyclins and CDKs and increases expression of p21 and p27. Ailanthone triggers DNA damage characterized by activation of the ATM/ATR pathway. Ailanthone induces apoptosis which is mitochondrion-mediated and involves the PI3K/AKT signaling pathway in Huh7 cells. Ailanthone is also a potent inhibitor of both full-length Androgen Receptor (AR-FL) and constitutively active truncated AR splice variants (AR-Vs, AR1-651) with IC50 of 69 nM and 309 nM, respectively. | ||
| S0148 | HAMNO | HAMNO (NSC-111847) is a potent and selective replication protein A (RPA) inhibitor with anti-tumor activity. HAMNO inhibits both ATR autophosphorylation and phosphorylation of RPA32 Ser33 by ATR. | ||
| S1009 | Dactolisib (BEZ235) | Dactolisib (BEZ235, NVP-BEZ235) is a dual ATP-competitive PI3K and mTOR inhibitor for p110α/γ/δ/β and mTOR(p70S6K) with IC50 of 4 nM /5 nM /7 nM /75 nM /6 nM in cell-free assays, respectively. Inhibits ATR with IC50 of 21 nM in 3T3TopBP1-ER cell. Dactolisib induces autophagy and suppresses HIV-1 replication. Phase 2. |
|
|
| S1092 | KU-55933 (ATM Kinase Inhibitor) | KU-55933 (ATM Kinase Inhibitor) is a potent and specific ATM inhibitor with IC50/Ki of 12.9 nM/2.2 nM in cell-free assays, and is highly selective for ATM as compared to DNA-PK, PI3K/PI4K, ATR and mTOR. KU‑55933 (ATM Kinase Inhibitor) inhibits the activation of autophagy‑initiating kinase ULK1 and results in a significant decrease of autophagy. |
|
|
| S1570 | KU-60019 | KU-60019 is an improved analogue of KU-55933, with IC50 of 6.3 nM for ATM in cell-free assays, 270- and 1600-fold more selective for ATM than DNA-PK and ATR,and is a highly effective radiosensitizer. |
|
|
| S2245 | CP-466722 | CP-466722 is a potent and reversible ATM inhibitor, does not affect ATR and inhibits PI3K or PIKK family members in cells. |
|
|
| S2758 | Wortmannin (KY 12420) | Wortmannin (KY 12420, SL-2052, BRN 0067676, NSC 627609) is the first described PI3K inhibitor with IC50 of 3 nM in a cell-free assay, with little selectivity within the PI3K family. Wortmannin blocks autophagosome formation and potently inhibits DNA-PK/ATM with IC50 of 16 nM and 150 nM in cell-free assays. Wortmannin also inhibits PLK1 activity. |
|
|
| S2817 | Torin 2 | Torin 2 is a potent and selective mTOR inhibitor with IC50 of 0.25 nM in p53−/− MEFs cell line; 800-fold greater selectivity for mTOR than PI3K and improved pharmacokinetic properties. Inhibition of ATM/ATR/DNA-PK with EC50 of 28 nM/35 nM/118 nM,in PC3 cell lines respectively. Torin 2 decreases cell viability and induces autophagy and apoptosis. |
|
|
| S3600 | Schisandrin B (Sch B) | Schisandrin B is the most abundant dibenzocyclooctadiene lignan present in the traditional Chinese medicinal herb Schisandra chinensis (Turcz.) Baill. It is a kind of ATR and P-gp inhibitor with high safety. | ||
| S7050 | AZ20 | AZ20 is a novel potent and selective inhibitor of ATR kinase with IC50 of 5 nM in a cell-free assay, 8-fold selectivity over mTOR. |
|
|
| S7136 | CGK 733 | CGK 733 is a potent and selective inhibitor of ATM/ATR with IC50 of ~200 nM. |
|
|
| S7693 | Ceralasertib (AZD6738) | Ceralasertib (AZD6738) is an orally active, and selective ATR kinase inhibitor with IC50 of 1 nM. Phase 1/2. |
|
|
| S8007 | VE-821 | VE-821 is a potent and selective ATP competitive inhibitor of ATR with Ki/IC50 of 13 nM/26 nM in cell-free assays, shows inhibition of H2AX phosphorylation, minimal activity against PIKKs ATM, DNA-PK, mTOR and PI3Kγ. |
|
|
| S8050 | ETP-46464 | ETP-46464 is a potent and selective inhibitor of ATR with IC50 of 25 nM. | ||
| S8096 | Mirin | Mirin is a potent Mre11–Rad50–Nbs1 (MRN) complex inhibitor, and inhibits Mre11-associated exonuclease activity. Mirin inhibits MRN-dependent activation of ATM. |
|
|
| S8375 | AZD0156 | AZD0156 is a potent and selective inhibitors of ATM kinase, with potential chemo-/radio-sensitizing and antineoplastic activities. AZD0156 prevents DNA damage checkpoint activation, disrupts DNA damage repair, induces tumor cell apoptosis, and leads to cell death of ATM-overexpressing tumor cells. | ||
| S8556 | AZ31 | AZ31 is a selective and novel ATM inhibitor with an IC50 of <0.0012 μM. It shows excellent selectivity over closely related enzymes (>500 fold selective over DNA-PK and PI3Kα and >1000 fold selective over mTOR, PI3Kβ and PI3Kγ). | ||
| S8666 | Elimusertib (BAY-1895344) hydrochloride | Elimusertib (BAY-1895344) hydrochloride is a potent, highly selective and orally available ATR inhibitor with an IC50 of 7 nM. | ||
| S8680 | AZD1390 | AZD1390 is a first-in-class orally available and CNS penetrant ATM inhibitor with an IC50 of 0.78 nM in cells and >10,000-fold selectivity over closely related members of the PIKK family of enzymes and excellent selectivity across a broad panel of kinases. | ||
| S8729 | AZ32 | AZ32 is a specific inhibitor of the ATM kinase that possesses good BBB penetration in mouse with an IC50 value of <0.0062 μM for ATM enzyme. It shows adequate selectivity over ATR and also has high cell permeability. | ||
| S9639 | VX-803 (M4344) | VX-803 (M4344, ATR inhibitor 2) is an ATP-competitive, orally active, and selective inhibitor of ataxia telangiectasia and Rad3 related (ATR) kinase with Ki of < 150 pM. VX-803 (M4344) potently inhibits ATR-driven phosphorylated checkpoint kinase-1 (P-Chk1) phosphorylation with IC50 of 8 nM. VX-803 (M4344) exhibits potential antineoplastic activity. | ||
| S9864 | Elimusertib (BAY-1895344) | Elimusertib (BAY-1895344) is a very potent and highly selective ATR (ataxia telangiectasia and Rad3-related) inhibitor with IC50 of 7 nM. Elimusertib potently inhibits proliferation of a broad spectrum of human tumor cell lines with median IC50 of 78 nM. | ||
| S3224 | Cinobufagin | Cinobufagin (Cinobufagine), an active ingredient of Venenum Bufonis, inhibits tumor development. Cinobufagin increases ATM and Chk2 and decreases CDC25C, CDK1, and cyclin B. Cinobufagin inhibits PI3K, AKT and Bcl-2 while increases levels of cleaved caspase-9 and caspase-3. Thus, Cinobufagin induces cell cycle arrest at the G2/M phase and apoptosis. | ||
| S4157 | Chloroquine diphosphate | Chloroquine diphosphate is a 4-aminoquinoline anti-malarial and anti-rheumatoid agent, also acting as an ATM activator. Chloroquine is also an inhibitor of toll-like receptors (TLRs). |
|
|
| S6885 | Ailanthone | Ailanthone (AIL, Δ13-Dehydrochaparrinone), a natural anti-hepatocellular carcinoma (HCC) component in Ailanthus altissima, induces G0/G1-phase cell cycle arrest by decreasing expression of cyclins and CDKs and increases expression of p21 and p27. Ailanthone triggers DNA damage characterized by activation of the ATM/ATR pathway. Ailanthone induces apoptosis which is mitochondrion-mediated and involves the PI3K/AKT signaling pathway in Huh7 cells. Ailanthone is also a potent inhibitor of both full-length Androgen Receptor (AR-FL) and constitutively active truncated AR splice variants (AR-Vs, AR1-651) with IC50 of 69 nM and 309 nM, respectively. |
Tags: ATM inhibition | ATR inhibition | ATM kinase activation | ATM kinase assay | ATM protein kinase | ATM signaling pathway | ATM inhibitor drugs | ATM tumor | ATM phosphorylation | ATM targets | ATM cancer | ATM activity | ATM inhibitor clinical trial | ATM inhibitor review
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